发明名称 |
A PROCESS FOR THE PREPARATION OF DONEPEZIL HYDROCHLORIDE |
摘要 |
The present invention is directed to an improved industrially viable, cost effective process for manufacturing 1 -benzyl-4-(5,6,-dimethoxyindanone-2-yl)methylpiperidine hydrochloride commonly known as donepezil hydrochloride in a substantially pure form with a purity level of greater than 99.9% and a novel crystalline form of 1- benzyl-4-(5,6,-dimethoxyindanone-2-yI)methylpiperidine in a substantially pure form. |
申请公布号 |
WO2011051957(A3) |
申请公布日期 |
2012.10.04 |
申请号 |
WO2009IN00615 |
申请日期 |
2009.10.30 |
申请人 |
NEULAND LABORATORIES LTD.;RAMAKRISHNAN, ARUL;BATTHINI, GURUSWAMY |
发明人 |
RAMAKRISHNAN, ARUL;BATTHINI, GURUSWAMY |
分类号 |
C07D211/32 |
主分类号 |
C07D211/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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